21533460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1453}}^1$

素因数の和:1497

約数の個数: 96

約数和(自身を含む): 68396160

約数和(自身を除く): 46862700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1453, 1482, 2470, 2906, 2964, 3705, 4359, 4940, 5812, 7265, 7410, 8718, 14530, 14820, 17436, 18889, 21795, 27607, 29060, 37778, 43590, 55214, 56667, 75556, 82821, 87180, 94445, 110428, 113334, 138035, 165642, 188890, 226668, 276070, 283335, 331284, 358891, 377780, 414105, 552140, 566670, 717782, 828210, 1076673, 1133340, 1435564, 1656420, 1794455, 2153346, 3588910, 4306692, 5383365, 7177820, 10766730, 21533460]

約数ペア:

[(1, 21533460), (2, 10766730), (3, 7177820), (4, 5383365), (5, 4306692), (6, 3588910), (10, 2153346), (12, 1794455), (13, 1656420), (15, 1435564), (19, 1133340), (20, 1076673), (26, 828210), (30, 717782), (38, 566670), (39, 552140), (52, 414105), (57, 377780), (60, 358891), (65, 331284), (76, 283335), (78, 276070), (95, 226668), (114, 188890), (130, 165642), (156, 138035), (190, 113334), (195, 110428), (228, 94445), (247, 87180), (260, 82821), (285, 75556), (380, 56667), (390, 55214), (494, 43590), (570, 37778), (741, 29060), (780, 27607), (988, 21795), (1140, 18889), (1235, 17436), (1453, 14820), (1482, 14530), (2470, 8718), (2906, 7410), (2964, 7265), (3705, 5812), (4359, 4940)]